Nowt like RJ11's for those who replied in that vein, thanks.
OK - All has become clear with regard to your replies regarding RJ11's. Just seen Lecricians link. Seems that they have put up pics of RJ11 6p6c plugs under the heading DDK for Panasonic systems.
sibell. OK for DDK-4's as I have collected them for years.
Just that demand for DDK-6's has exceeded supply at this end.